TOPPING NX3 Portable Headphone Earphone Amplifier HIFI Stereo Audio Amp Chip TPA6120A2-Silver

TOPPING NX3 Portable Headphone Earphone Amplifier HIFI Stereo Audio Amp Chip TPA6120A2-Silver

Features:
- Adopt chip TPA6120A2, the distortion is 0.000635%
- OP Amp OPA2134UZ, distortion is 0.00008%
- Aluminum body
- Dull polish surface
- 2400mAH battery, the life is >25h
- Charging time: <4h
- Low battery alert
- Dual channel to charge
- Single channel :0.5A
- Dual channel: 1A
- If charging for half an hour, using for 300mins

Specification:
- Analog video input interface:  1x3.5mm
- Headphone output interface: 1x3.5mm
- Working time: 25h
- Output power : 100mw (RL=16Ohm;THD+N=1%)
  98mw (RL=32Ohm;THD+N=1%)
  30mw (RL=250Ohm;THD+N=1%)
- THD+N: <0.001%(32 50m W)
- Frecquency response : 20 Hz 20 KHZ
- Headphone impedance : 16 - 300Ohm
- Battery Capcity : 1000mAh
- Working : 25hours
- Dimensions 66 mm X 108 mm X 13mm
- Weight :145 g
- Output voltage: 8.2Vpp
- Distortion: 0.0031%(RL=32Ohm, Pout=500mW)
- Typical Distortion: 0.0032%(RL=32Ohm, Pout=20mW)
- Frequency response: 10-100KHZ
- Input sensivity:1Vrms(GAIN=L);0.52Vrms(GAIN=H)
- Noise: 9 μV (GAIN=H)
- Gain (1kHZ): +6db(GAIN=L);+12db (Gain=H)
- SNR:108db (RL=250Ohm;Gain=L)
 Color: Silver

Package include:
- NX 3 amplifier x1
- Audio cable x1
- USB charge cable x1
- Silicone band x2 (bundled with NX1 and the music player)
- Velcrox5 (use as mats or fixed NX1 with the music palyer)
- User manual